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thumb|A Bell 47 helicopter, an early example of a powered rotorcraft
thumb|A Bell 47 helicopter, an early example of a powered rotorcraft
A rotary-wing aircraft, rotorwing aircraft or rotorcraft is a heavier-than-air aircraft with rotary wings that spin around a vertical mast to generate lift. The assembly of several rotor blades mounted on a single mast is referred to as a rotor.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).